<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Vue基础</title>
</head>
<body>
    {{message}}
    <div id="app" class="app">
        {{message}}
        <span>{{message}}</span>
    </div>

    <!-- 开发环境版本，包含了有帮助的命令行警告 -->
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"> </script>
    <script>
        var app = new Vue({
        // el: '#app',
        // el: ".app",
        el: "div",
         data: {
         message: '你好 我是谢美丽!'
  }
})
    </script>
</body>
</html>